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2.4GHz 802.11be Front-End Module


2.4GHz 802.11be Front-End Module


KCT8278HT is a highly integrated RF Front-End Integrated Circuit incorporates key RF functionality needed for IEEE 802.11a/n/ac/ax/be WLAN systems operating in the 2.4-2.5GHz range. KCT8278HT integrates a high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network and harmonic filters all in one device.


KCT8278HT is a 5V supply voltage power amplifier that conserves power consumption while maintaining the highest linear output power and excellent throughput. A DC voltage output power detector and a directional RF coupler are integrated to support closed-loop power control within the system.


KCT8278HT is assembled in a compact, low-profile 3×5×0.812mm 24-pin LGA package. It is the perfect RF Front-end solution for implementing 2.4GHz high performance WLAN systems supporting multiple standards including 802.11a/n/ac/ax/be.



Integrated 802.11be 2.4GHz PA, LNA with bypass and T/R switch 

Fully-matched input and output

Integrated RF & DC power detector 

Transmit gain: 34.0dB at 5V

Receive gain: 18.5dB at high-gain mode, 5V

                       4.0dB at mid-gain mode, 5V

Noise Figure: 1.8dB at high-gain mode, 5V

                       3.0dB at mid-gain mode, 5V

Output power: +19.0dBm @ -45dB DEVM, EHT40/MCS13, 5V

                         +22.0dBm @ -43dB DEVM, EHT40/MCS13, 5V

                         +23.0dBm @ -40dB DEVM, HE40/MCS11, 5V

                         +24.5dBm @ -35dB DEVM, VHT40/MCS9, 5V

                         +25.5dBm @ -30dB DEVM, HT20/MCS7, 5V

ESD protection circuitry on all PINs

Minimal External Components Required

Package: LGA-24L 3mm × 5mm × 0.812mm 

MSL3, 260°C per JEDEC J-STD-020

RoHS and REACH Compliant

2.4GHz 802.11be Front-End Module

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